body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
i,
button,
textarea,
p,
blockquote,
th,
td {
  margin: 0;
  padding: 0;
  font-family: "微软雅黑";
}

fieldset,
img {
  border: 0;
}

ul,
ol,
li {
  list-style: none;
  font-family: 'Microsoft YaHei';
}

b,
strong {
  font-weight: normal;
}

/* remember to define focus styles! */
:focus {
  outline: 0;
}

address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var,
optgroup {
  font-style: normal;
  font-weight: normal;
}

/* h1, h2, h3, h4, h5, h6 { 
font-size: 100%;
font-weight: normal;
} */

abbr,
acronym {
  border: 0;
  font-variant: normal;
}

input,
button,
textarea,
select,
optgroup,
option {
  font-family: inherit;
  font-size: inherit;
  font-style: inherit;
  font-weight: inherit;
  background-color: #fff;
  border: none;
}

code,
kbd,
samp,
tt {
  font-size: 100%;
}

a {
  text-decoration: none;
  color: inherit;
}

a:hover {
  text-decoration: none;
  background: none;
}

/*@purpose To enable resizing for IE 
用于为IE启用大小调整*/
/*@branch For IE6-Win, IE7-Win */
input,
button,
textarea {
  *font-size: 100%;
}

ol,
ul {
  list-style: none;
}

/* tables still need 'cellspacing="0"' in the markup */
table,
tr,
td {
  border-collapse: collapse;
  border-spacing: 0;
  margin: 0;
  padding: 0;
}

caption,
th {
  text-align: left;
}

sup,
sub {
  font-size: 100%;
  vertical-align: baseline;
}

/* remember to highlight anchors and inserts somehow!记住以某种方式突出显示锚和插入！ */
blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: '';
  content: none;
}

i {
  font-style: normal;
}

/* 导航栏设置 */
#frame {
  width: 100%;
  background-color: transparent;
  /* display: table; */
  position: fixed;
  z-index: 100;
}

/* 小屏开始 */
@media (max-width: 575.98px) {

  .blank {
    clear: both;
    overflow: hidden;
    display: block;
    background-color: black;
  }

  .my-center {
    bottom: 20%;
  }

  #frame {
    height: 250px;
  }
}

/* 小屏结束 */
/* 当屏幕大于576px时候 */
@media screen and (min-width: 576px) {

  .my-center {
    bottom: 10%;
  }

  #frame {
    height: 75px;
  }
}

/* 当屏幕大于576px时候结束 */


/* 导航栏设置结束 */
.my-center {
  position: absolute;
  width: 30px;
  left: calc(50% - 15px);
  z-index: 9999;
  /* bottom: 10%; */

}

.arrows1 {
  font-size: 30px;
  text-align: center;
  animation: fadeInDown 1s ease 1s infinite;
  color: #fff;
  position: absolute;

}

.my-gray {
  background-color: #e9ecef;
}

.my-border {
  border: 15px solid white;
}

.my-font {
  /* font-style: italic; */
  font-size: 1.17em;
  font-weight: 800;
  color: #698b8d;
  font-family: 'Caveat', cursive, '微软雅黑';
}

@media screen and (min-width:1220px) {
  .row {
    /* width:1220px; */
    /* margin:0 auto; */
  }
}